When an ecosystem can only support a limited number of things
100
What are the 2 types of Biomes?
Terrestrial and Aquatic
100
What is the first level of the Trophic Levels?
Primary Producers
100
What is the term used to describe when both species benefit from a relationship?
Mutualism
100
Define Succession.
The population of number of species that change over time.
200
What are some population growth factors?
Birth rate; Death rate; Immigration; Emigration
200
What makes up the largest part of the Biosphere?
Aquatic Biomes
200
What is the difference between a food web and a food chain?
A food web is a group of interconnected food chains, and a food chain describes the feeding relationships and energy flow between species within an ecosystem.
200
What two interactions harm one species but benefit another?
Parasitism and Predation
200
What is one way that nonnative species harm other species?
they use resources that endemic species need
300
Exponential growth is often graphed in what shape?
J-shaped
300
What are the three types of Freshwater Biomes?
Ponds and Lakes; Streams and Rivers; and Wetlands
300
How much energy is passed on from each level in an energy pyramid?
About 10%
300
What is Symbiosis?
an interaction between individuals of different biological species.
300
What is the difference between primary and secondary succession?
Primary succession occurs in an area that has never been colonized and secondary succession occurs when formerly inhabited area is now disturbed
400
What are biogeochemical cycles?
Predictable cyclic pathways that follow chemical elements or molecules as the elements or molecules travel through the living and nonliving parts of an ecosystem.